---
fixes:
  - |
    Fixes inability to attach devices (e.g., volumes via iSCSI/FC)
    to instances on Debian Bullseye.
    `LP#1941940 <https://launchpad.net/bugs/1941940>`__
upgrade:
  - |
    To fix LP#1941940, ``nova_libvirt_dimensions`` now by default combines with
    ``nova_libvirt_default_dimensions``. Please consider this when customising
    that variable.